L u m a n squire



L SQUIRE 'l Thin-Coupling. V Y

- Patented May-7, 1867.

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LUMAN soplan, or Non-WALK, onto.

Letters Paten-t N'o. 64,590, alert May "i, 1867.

IMPROVMENT IN 'THlLL-GOUPLING.

dille dgrtnlr nfrtnh tu in time teints @anni mit makina und nf tigesima.

TO ALL WHOM I'l MAY CONCERNMk Be it known that I, LUMAN SQUlRE, ofNorwalk, in the county of Huron, and State of Ollio, have invented a newand improved 'lhill-Conpling; and I do l1creby cleclare that thefollowing is a full and exact description thereof, reference being hadto the accompanying dra-wings, making a part of this spccilcation, andto the letters of reference marked thereon. In the drawings?- Fignre 1represents a perspective view of my invention.

Figure 2, a bottom view.

Figure 3, a side view without the coupling-pin.

Figure 4, a 'side view of the orifice for the shoulder of the pin andFigure 5, the coupling-pin.

This invention consists of a thill-eouplii'ig provided with a springwhich, by virtue of its elasticity, exert-s a pressure upon thecoupling-bolt suicient to hold it firmly -in place, and, by virtue ofits pliancy, admits ci' the withdrawal ot' such pressure, and theconsequent removal ot' the bolt, as is hereinafter fully described.

To enable those skilled in the art to make and use my invention, willnow proceed to describe its construction and operation.

A represents a section o'l' a carriage-axle. 'B represents a metallicyoke or clip, placed upon the axle, and provided with screw-threads uponits ends, which project below the axle far enough to enable the shauklcof the coupling C to be placed upon them in. contact with the under sideoi' the axle, and also to enable nuts a a to be screwed upon them. b brepresent ears projecting upward from the shank c, provided each with ahole, d, through which passes the coupling-bolt E. F represents a pieceof wire, passed at its centre about the rear end of the clip B, betweenthe shank c andthe nut a, where it is securely held, and running thencein two diverging arms e c to the forward corners of the shank c; thereat thc points 'i cach arm is bent nearly to u rightvangle, and passingupward a short distance is curved 'at /c over the bolt E, at the outerside of each of the ears b. At the point h, near the rear nut, both armsof the wire F are in contact with the under side of the shank c, andfroui these points both arms recede from the shank, passing downward asthey pass outward, so that the points of i'lexion z' are a quarter of aninch, more or less, below the bottom of the shank. When the curves 7care passed over the bolt E, the arms e e shall bc drawn a little abovethe position they would naturally. have assumed, and thus, byvirtue oftheir elasticity, exert a pressure uponthe coupling-,bolt E suiiicientto hold it firmly in its place. One of the holes, d, issemi-elliptic inshape, and a shoulder, Z,1is made on the bolt, next the head of acorresponding form, to fit in the said hole, and thus be prevented fromturning. Near the other end of the coupling-pin is a. groove, m, inwhich one of the curves k rests, in order that the pin may not workbackward out of one or both ears. When it is desiredto remove the pin,it is only necessary to press the arms n e upward'with one hand, whenthe pin may be easily withdrawn with the other. I

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

'lhe spring-arms e e', in combination with the bolt E, provided with theshoulder l, semi-elliptic i'n its transverse section, when constructedand arranged as setforth.

LUMAN SQUIRE.

Witnesses:

CnAs. B. S'ricunnr, HARRISON MORRILL.

